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For fine solids Reynolds number should be less than?

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+1 vote
in Fluidization Engineering by (102k points)
For fine solids Reynolds number should be less than?

(a) 0.4

(b) 4

(c) 40

(d) 400

I got this question in exam.

My enquiry is from Terminal Velocity of Particles topic in chapter Fluidization and Mapping of Regimes of Fluidization Engineering

1 Answer

+2 votes
by (103k points)
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Best answer
The correct answer is (a) 0.4

Explanation: Since the size of particles is small, the velocity will be comparatively small. Hence the range also reduces.

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